4.0U wii bricked no preloader, no starfall, no mod chip HELP!!

ok here it is,
i have a 4.0 wii, homebrew installed,
i dont have a preloader, nana dumper, starfall, or anything like that.
i dont have my wii chipped with the mod chip.
basicly this is what happened,
the other day i was installing new wii menu themes, 2 or three of them worked and everything was fine, but after i installed one and went back to the menu, it was just black. so i restarted my wii, and it was just black.
no sound,
i did the thing were u plug in the GC controlor into the 4th port and hold down all the d-pad buttions,
all that happenes is 4.0(USA) is displayed at the bottom of the screen,
u can hear the disk spinning inside but nothing happens,
plz help.
i have no idea what to do.
andrew

Try inserting an modern origonal game into your wii when 4.0 usa is displayed... from what ive read it should sort the problem the newer the game the better the chance i think of it working due to the version on the update.

iv tried brawl,
but this is what happens,
i turn on my wii,
no heath screen nothing,
but then i do theGC contolor thing, and 4.0(USA) shows, thats it,
im waiting for my friend to get home so i can get super mario galaxy,
3.3E games will update my 4.0U wii?
how does this whole thing work?